/* css/styles.css — CAMPEONATO MUNDIAL FIFA 2026 v4.0 */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Barlow+Condensed:wght@400;600;700&family=Barlow:wght@400;500;600&display=swap');

/* ============================================================
   VARIABLES
   ============================================================ */
:root {
  --negro:      #0a0a0f;
  --negro-2:    #12121a;
  --negro-3:    #1a1a26;
  --borde:      #2a2a3e;
  --dorado:     #f0c040;
  --dorado-2:   #e0a820;
  --verde:      #00d68f;
  --rojo:       #ff4757;
  --azul:       #4a90d9;
  --texto:      #e8e8f0;
  --texto-2:    #9090a8;
  --blanco:     #ffffff;
  --font-display: 'Bebas Neue', sans-serif;
  --font-ui:      'Barlow Condensed', sans-serif;
  --font-body:    'Barlow', sans-serif;
  --radius:    10px;
  --radius-lg: 18px;
  --shadow:    0 4px 24px rgba(0,0,0,0.5);
  --shadow-gold: 0 0 30px rgba(240,192,64,0.25);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--negro);
  color: var(--texto);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ============================================================
   TIPOGRAFÍA
   ============================================================ */
h1, h2, h3 { font-family: var(--font-display); letter-spacing: 1px; line-height: 1.1; }
h1 { font-size: clamp(2.5rem, 6vw, 5rem); color: var(--dorado); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); color: var(--blanco); }
h3 { font-size: clamp(1.3rem, 3vw, 2rem); color: var(--dorado); }
p  { color: var(--texto-2); line-height: 1.7; }
a  { color: var(--dorado); text-decoration: none; transition: color .2s; }
a:hover { color: var(--blanco); }

/* ============================================================
   LAYOUT
   ============================================================ */
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.page-wrapper { min-height: 100vh; display: flex; flex-direction: column; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  background: rgba(10,10,15,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--borde);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 20px;
}
.navbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}
.navbar-logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.navbar-logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
}
.navbar-logo-placeholder {
  height: 40px;
  width: 40px;
  background: var(--negro-3);
  border: 1px solid var(--borde);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .7rem;
  color: var(--texto-2);
  font-family: var(--font-ui);
}
.navbar-logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--dorado);
  letter-spacing: 2px;
  white-space: nowrap;
}
#main-nav { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
#main-nav a {
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 600;
  color: var(--texto-2);
  padding: 6px 14px;
  border-radius: 6px;
  letter-spacing: .5px;
  transition: all .2s;
}
#main-nav a.active,
#main-nav a:hover { color: var(--dorado); background: rgba(240,192,64,0.1); }
.btn-logout {
  background: transparent;
  border: 1px solid var(--borde);
  color: var(--texto-2);
  font-family: var(--font-ui);
  font-size: .9rem;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: all .2s;
}
.btn-logout:hover { border-color: var(--rojo); color: var(--rojo); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  overflow: hidden;
  padding: 80px 20px;
  text-align: center;
  background: radial-gradient(ellipse 120% 80% at 50% 0%, rgba(240,192,64,0.12) 0%, transparent 60%), var(--negro);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(240,192,64,0.06) 0%, transparent 40%),
    radial-gradient(circle at 80% 50%, rgba(74,144,217,0.06) 0%, transparent 40%);
}
.hero-sub {
  font-family: var(--font-ui);
  font-size: 1.1rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--dorado);
  margin-bottom: 12px;
}
.hero-desc { font-size: 1.1rem; color: var(--texto-2); max-width: 500px; margin: 16px auto 32px; }
.hero-logo {
  max-width: 180px;
  margin: 0 auto 24px;
  display: block;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--negro-2);
  border: 1px solid var(--borde);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color .2s, box-shadow .2s;
}
.card:hover { border-color: rgba(240,192,64,0.3); }
.card-gold  { border-color: rgba(240,192,64,0.4); box-shadow: var(--shadow-gold); }

/* ============================================================
   BOTONES
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all .25s;
  text-decoration: none;
}
.btn-primary { background: var(--dorado); color: var(--negro); }
.btn-primary:hover { background: var(--dorado-2); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(240,192,64,0.35); color: var(--negro); }
.btn-outline { background: transparent; color: var(--dorado); border: 2px solid var(--dorado); }
.btn-outline:hover { background: rgba(240,192,64,0.1); color: var(--dorado); }
.btn-verde { background: var(--verde); color: var(--negro); }
.btn-verde:hover { background: #00c07f; transform: translateY(-2px); }
.btn-rojo { background: var(--rojo); color: var(--blanco); }
.btn-sm { font-size: .85rem; padding: 8px 18px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* ============================================================
   FORMULARIOS
   ============================================================ */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: .9rem;
  letter-spacing: .5px;
  text-transform: uppercase;
  color: var(--texto-2);
  margin-bottom: 8px;
}
.form-input {
  width: 100%;
  background: var(--negro-3);
  border: 1px solid var(--borde);
  border-radius: var(--radius);
  color: var(--texto);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 16px;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}
.form-input:focus { border-color: var(--dorado); box-shadow: 0 0 0 3px rgba(240,192,64,0.15); }
.form-input::placeholder { color: var(--texto-2); opacity: 0.6; }
.form-error { color: var(--rojo); font-size: .85rem; margin-top: 6px; }
.form-hint  { color: var(--texto-2); font-size: .82rem; margin-top: 5px; }

/* ============================================================
   TABS
   ============================================================ */
.tabs {
  display: flex;
  background: var(--negro-3);
  border: 1px solid var(--borde);
  border-radius: var(--radius);
  padding: 4px;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}
.tab-btn {
  flex: 1;
  min-width: max-content;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: .9rem;
  letter-spacing: .5px;
  text-transform: uppercase;
  padding: 10px 16px;
  border: none;
  border-radius: 7px;
  background: transparent;
  color: var(--texto-2);
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
}
.tab-btn.active { background: var(--dorado); color: var(--negro); }

/* ============================================================
   BADGE
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: .8rem;
  padding: 3px 10px;
  border-radius: 20px;
  min-width: 32px;
}
.badge-gold  { background: rgba(240,192,64,0.15); color: var(--dorado); }
.badge-green { background: rgba(0,214,143,0.15);  color: var(--verde); }
.badge-red   { background: rgba(255,71,87,0.15);  color: var(--rojo); }
.badge-blue  { background: rgba(74,144,217,0.15); color: var(--azul); }

/* ============================================================
   MATCH CARD (predicciones)
   ============================================================ */
.match-card {
  background: var(--negro-2);
  border: 1px solid var(--borde);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color .2s;
  margin-bottom: 12px;
}
.match-card:hover { border-color: rgba(240,192,64,0.25); }
.match-card.scored { opacity: .75; }
.match-card.locked { border-color: rgba(255,71,87,.2); }
.match-teams { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 12px; margin-bottom: 14px; }
.team-side { display: flex; align-items: center; gap: 10px; }
.team-side.away { flex-direction: row-reverse; }
.team-flag { width: 36px; height: 24px; object-fit: cover; border-radius: 3px; }
.team-flag-placeholder {
  width: 36px; height: 24px;
  background: var(--negro-3);
  border-radius: 3px;
  display: flex; align-items: center; justify-content: center;
  font-size: .7rem; color: var(--texto-2); font-weight: 700;
}
.team-name { font-family: var(--font-ui); font-weight: 700; font-size: 1.05rem; color: var(--texto); }
.vs-area { text-align: center; }
.score-real { font-family: var(--font-display); font-size: 2rem; color: var(--dorado); letter-spacing: 4px; }
.vs-text { font-family: var(--font-ui); font-size: .85rem; color: var(--texto-2); letter-spacing: 2px; }
.pred-inputs { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 12px; }
.score-input-group { display: flex; align-items: center; justify-content: center; gap: 8px; }
.score-input-group button {
  width: 32px; height: 32px;
  border: 1px solid var(--borde);
  background: var(--negro-3);
  color: var(--dorado);
  border-radius: 6px;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all .15s;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}
.score-input-group button:hover:not(:disabled) { background: var(--dorado); color: var(--negro); border-color: var(--dorado); }
.score-input-group button:disabled { opacity: .3; cursor: default; }
.score-number { font-family: var(--font-display); font-size: 2.2rem; color: var(--blanco); min-width: 40px; text-align: center; }
.pred-dash { font-family: var(--font-display); font-size: 1.8rem; color: var(--texto-2); text-align: center; }
.match-meta { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--borde); font-size: .85rem; color: var(--texto-2); }
.edit-count-indicator { font-size: .78rem; color: var(--texto-2); }
.edit-count-indicator span { color: var(--dorado); font-weight: 700; }

/* ============================================================
   RANKING TABLE
   ============================================================ */
.ranking-table { width: 100%; border-collapse: collapse; }
.ranking-table th { font-family: var(--font-ui); font-size: .8rem; letter-spacing: 1px; text-transform: uppercase; color: var(--texto-2); padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--borde); }
.ranking-table td { padding: 12px 16px; border-bottom: 1px solid rgba(42,42,62,0.5); vertical-align: middle; }
.ranking-table tr:hover td { background: rgba(255,255,255,0.02); }
.ranking-table tr.mi-fila td { background: rgba(240,192,64,0.05); }
.rank-pos { font-family: var(--font-display); font-size: 1.5rem; width: 50px; text-align: center; }
.rank-1 { color: #FFD700; } .rank-2 { color: #C0C0C0; } .rank-3 { color: #CD7F32; }
.rank-points { font-family: var(--font-display); font-size: 1.4rem; color: var(--dorado); }
.rank-username { font-family: var(--font-ui); font-weight: 700; font-size: 1rem; }

/* ============================================================
   PRIZES GRID
   ============================================================ */
.prizes-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.prize-card { background: var(--negro-2); border: 1px solid var(--borde); border-radius: var(--radius); padding: 20px; text-align: center; transition: all .2s; }
.prize-card.top3 { border-color: rgba(240,192,64,0.5); box-shadow: var(--shadow-gold); }
.prize-pos { font-family: var(--font-display); font-size: 2.5rem; color: var(--texto-2); margin-bottom: 6px; }
.prize-pos.gold   { color: #FFD700; } .prize-pos.silver { color: #C0C0C0; } .prize-pos.bronze { color: #CD7F32; }
.prize-amount { font-family: var(--font-display); font-size: 1.6rem; color: var(--dorado); }

/* ============================================================
   LOADING + TOAST
   ============================================================ */
.loading-overlay { position: fixed; inset: 0; background: rgba(10,10,15,.85); backdrop-filter: blur(6px); display: flex; align-items: center; justify-content: center; z-index: 1000; }
.spinner { width: 48px; height: 48px; border: 3px solid var(--borde); border-top-color: var(--dorado); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
#toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 2000; display: flex; flex-direction: column; gap: 10px; }
.toast { background: var(--negro-2); border: 1px solid var(--borde); border-radius: var(--radius); padding: 14px 20px; font-family: var(--font-ui); font-size: 1rem; min-width: 240px; animation: slideIn .25s ease; box-shadow: var(--shadow); }
.toast.success { border-color: var(--verde); color: var(--verde); }
.toast.error   { border-color: var(--rojo);  color: var(--rojo); }
.toast.info    { border-color: var(--dorado); color: var(--dorado); }
@keyframes slideIn { from { transform: translateX(40px); opacity: 0; } }

/* ============================================================
   SAVE BAR FLOTANTE
   ============================================================ */
.save-bar { position: fixed; bottom: 0; left: 0; right: 0; background: rgba(10,10,15,.95); backdrop-filter: blur(12px); border-top: 1px solid var(--borde); padding: 16px 20px; display: flex; align-items: center; justify-content: space-between; gap: 16px; z-index: 90; transform: translateY(100%); transition: transform .3s ease; }
.save-bar.visible { transform: translateY(0); }

/* ============================================================
   PANEL HUB — NUEVO
   ============================================================ */
.panel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 40px 0;
}
@media (max-width: 768px) { .panel-grid { grid-template-columns: 1fr; } }

.panel-section {
  background: var(--negro-2);
  border: 2px solid var(--borde);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: border-color .3s;
}
.panel-section:hover { border-color: rgba(240,192,64,0.3); }
.panel-section.section-a { border-color: rgba(0,214,143,0.3); }
.panel-section.section-b { border-color: rgba(74,144,217,0.3); }

.panel-section-icon { font-size: 3rem; text-align: center; }
.panel-section-title { font-family: var(--font-display); font-size: 1.8rem; text-align: center; }
.panel-section-desc { text-align: center; font-size: .95rem; }

.slot-selector {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.slot-pill {
  background: var(--negro-3);
  border: 2px solid var(--borde);
  border-radius: 20px;
  padding: 6px 16px;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: .9rem;
  color: var(--texto-2);
  cursor: pointer;
  transition: all .2s;
}
.slot-pill:hover { border-color: var(--dorado); color: var(--dorado); }
.slot-pill.active { border-color: var(--dorado); color: var(--dorado); background: rgba(240,192,64,0.1); }
.slot-pill.done { border-color: var(--verde); color: var(--verde); background: rgba(0,214,143,0.1); }

/* ============================================================
   QUIZ / TRIVIA — NUEVO
   ============================================================ */
.quiz-wrapper {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

/* Timer */
.quiz-timer-bar {
  position: sticky;
  top: 64px;
  background: rgba(10,10,15,0.97);
  border-bottom: 1px solid var(--borde);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  z-index: 50;
  backdrop-filter: blur(8px);
}
.quiz-timer-display {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--dorado);
  letter-spacing: 3px;
  min-width: 90px;
}
.quiz-timer-display.warning { color: var(--rojo); animation: pulse-red .5s ease infinite alternate; }
@keyframes pulse-red { from { opacity: 1; } to { opacity: .6; } }

.quiz-progress-bar-wrap {
  flex: 1;
  background: var(--negro-3);
  border-radius: 10px;
  height: 8px;
  overflow: hidden;
}
.quiz-progress-fill {
  height: 100%;
  background: var(--dorado);
  border-radius: 10px;
  transition: width .4s ease;
}

.quiz-progress-text {
  font-family: var(--font-ui);
  font-size: 1rem;
  color: var(--texto-2);
  white-space: nowrap;
}

/* Multiplier badge en timer */
.quiz-multiplier-badge {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 1rem;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(240,192,64,0.15);
  color: var(--dorado);
  border: 1px solid rgba(240,192,64,0.3);
  white-space: nowrap;
  transition: all .5s;
}
.quiz-multiplier-badge.mult-3 { background: rgba(0,214,143,0.15); color: var(--verde); border-color: rgba(0,214,143,0.3); }
.quiz-multiplier-badge.mult-25 { background: rgba(0,214,143,0.1); color: var(--verde); border-color: rgba(0,214,143,0.2); }

/* Pregunta */
.quiz-question-card {
  background: var(--negro-2);
  border: 1px solid var(--borde);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin: 24px 0;
  animation: fadeInUp .3s ease;
}
@keyframes fadeInUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.quiz-question-num {
  font-family: var(--font-ui);
  font-size: .85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--texto-2);
  margin-bottom: 12px;
}
.quiz-question-text {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--blanco);
  line-height: 1.5;
  margin-bottom: 28px;
  user-select: none;
  -webkit-user-select: none;
}

/* Opciones */
.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.quiz-option {
  background: var(--negro-3);
  border: 2px solid var(--borde);
  border-radius: var(--radius);
  padding: 16px 20px;
  cursor: pointer;
  transition: all .2s;
  display: flex;
  align-items: center;
  gap: 14px;
  user-select: none;
  -webkit-user-select: none;
  text-align: left;
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--texto);
}
.quiz-option:hover:not(:disabled) { border-color: var(--dorado); background: rgba(240,192,64,0.05); }
.quiz-option.selected { border-color: var(--dorado); background: rgba(240,192,64,0.1); }
.quiz-option.correct  { border-color: var(--verde); background: rgba(0,214,143,0.1); color: var(--verde); }
.quiz-option.wrong    { border-color: var(--rojo); background: rgba(255,71,87,0.08); color: var(--rojo); opacity: .7; }
.quiz-option:disabled { cursor: default; }
.quiz-option-letter {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--dorado);
  min-width: 28px;
  text-align: center;
}
.quiz-option.correct .quiz-option-letter { color: var(--verde); }
.quiz-option.wrong .quiz-option-letter   { color: var(--rojo); }

/* Resultado trivia */
.quiz-result-card {
  background: var(--negro-2);
  border: 2px solid rgba(240,192,64,0.4);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  box-shadow: var(--shadow-gold);
}
.quiz-result-score {
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--dorado);
  line-height: 1;
}
.quiz-result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 24px 0;
}
.quiz-result-stat {
  background: var(--negro-3);
  border: 1px solid var(--borde);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}
.quiz-result-stat-val { font-family: var(--font-display); font-size: 2rem; color: var(--dorado); }
.quiz-result-stat-label { font-family: var(--font-ui); font-size: .8rem; color: var(--texto-2); text-transform: uppercase; letter-spacing: 1px; }

/* Pantalla de inicio del quiz */
.quiz-start-screen { text-align: center; padding: 40px 20px; }
.quiz-rules-list { text-align: left; background: var(--negro-3); border: 1px solid var(--borde); border-radius: var(--radius); padding: 24px; margin: 24px 0; }
.quiz-rules-list li { color: var(--texto-2); padding: 6px 0; border-bottom: 1px solid var(--borde); font-size: .95rem; }
.quiz-rules-list li:last-child { border-bottom: none; }
.quiz-rules-list li strong { color: var(--dorado); }

/* Tabla de multiplicadores en el quiz */
.mult-table { width: 100%; border-collapse: collapse; font-size: .9rem; margin: 16px 0; }
.mult-table th { font-family: var(--font-ui); color: var(--texto-2); padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--borde); font-size: .8rem; text-transform: uppercase; letter-spacing: 1px; }
.mult-table td { padding: 8px 12px; border-bottom: 1px solid rgba(42,42,62,0.5); color: var(--texto-2); }
.mult-table td:last-child { color: var(--dorado); font-family: var(--font-ui); font-weight: 700; }
.mult-table tr.active-row td { color: var(--blanco); background: rgba(240,192,64,0.05); }

/* ============================================================
   REFERIDOS
   ============================================================ */
.referral-box {
  background: var(--negro-3);
  border: 1px solid rgba(74,144,217,0.3);
  border-radius: var(--radius);
  padding: 20px;
}
.referral-code-display {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--dorado);
  letter-spacing: 6px;
  text-align: center;
  padding: 12px;
  background: var(--negro-2);
  border-radius: 8px;
  cursor: pointer;
  user-select: all;
  transition: background .2s;
  margin: 10px 0;
}
.referral-code-display:hover { background: rgba(240,192,64,0.1); }
.referral-credit-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,214,143,0.15);
  border: 1px solid rgba(0,214,143,0.3);
  border-radius: 20px;
  padding: 6px 14px;
  font-family: var(--font-ui);
  font-weight: 700;
  color: var(--verde);
  font-size: 1rem;
}

/* ============================================================
   PRODUCTOS LANDING
   ============================================================ */
.products-section {
  background: linear-gradient(180deg, var(--negro) 0%, var(--negro-2) 100%);
  padding: 60px 20px;
  border-top: 1px solid var(--borde);
  border-bottom: 1px solid var(--borde);
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}
.product-card {
  background: var(--negro-3);
  border: 2px solid var(--borde);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color .3s, transform .3s;
}
.product-card:hover { border-color: rgba(240,192,64,0.5); transform: translateY(-4px); }
.product-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}
.product-img-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--negro-2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  color: var(--texto-2);
}
.product-img-placeholder .ph-icon { font-size: 3rem; opacity: .4; }
.product-img-placeholder .ph-text { font-family: var(--font-ui); font-size: .9rem; letter-spacing: 2px; text-transform: uppercase; opacity: .4; }
.product-card-body { padding: 20px; }
.product-card-name { font-family: var(--font-ui); font-size: 1.2rem; font-weight: 700; color: var(--blanco); margin-bottom: 6px; }
.product-card-desc { font-size: .9rem; color: var(--texto-2); margin-bottom: 14px; }

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 32px;
}
.step-item { text-align: center; padding: 24px 16px; }
.step-number {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--dorado);
  opacity: .4;
  line-height: 1;
  margin-bottom: 12px;
}
.step-title { font-family: var(--font-ui); font-weight: 700; color: var(--blanco); margin-bottom: 6px; }
.step-desc { font-size: .9rem; color: var(--texto-2); }

/* ============================================================
   SECCIONES Y UTILIDADES
   ============================================================ */
.section { padding: 48px 0; }
.section-title { margin-bottom: 32px; }
.flex { display: flex; } .items-center { align-items: center; } .justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; } .gap-4 { gap: 16px; }
.mt-2 { margin-top: 8px; } .mt-4 { margin-top: 16px; } .mt-6 { margin-top: 24px; }
.mb-4 { margin-bottom: 16px; } .mb-6 { margin-bottom: 24px; }
.text-center { text-align: center; } .text-right { text-align: right; }
.hidden { display: none !important; } .w-full { width: 100%; }
.divider { border: none; border-top: 1px solid var(--borde); margin: 24px 0; }
.highlight-box { background: rgba(240,192,64,0.06); border: 1px solid rgba(240,192,64,0.25); border-radius: var(--radius); padding: 16px 20px; }
.info-box { background: rgba(74,144,217,0.08); border: 1px solid rgba(74,144,217,0.25); border-radius: var(--radius); padding: 16px 20px; }

/* ============================================================
   LEGAL
   ============================================================ */
.legal-content { max-width: 820px; margin: 0 auto; padding: 48px 20px 80px; }
.legal-content h2 { font-size: 1.4rem; color: var(--dorado); margin: 32px 0 10px; padding-bottom: 8px; border-bottom: 1px solid var(--borde); }
.legal-content h3 { font-size: 1.1rem; color: var(--blanco); margin: 24px 0 8px; }
.legal-content p, .legal-content li { font-size: .95rem; color: var(--texto-2); margin-bottom: 8px; line-height: 1.8; }
.legal-content ul, .legal-content ol { padding-left: 24px; margin-bottom: 16px; }
.legal-content table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: .9rem; }
.legal-content th { background: var(--negro-3); color: var(--dorado); padding: 10px 14px; text-align: left; border: 1px solid var(--borde); font-family: var(--font-ui); }
.legal-content td { padding: 10px 14px; border: 1px solid var(--borde); color: var(--texto-2); }
.legal-content td:first-child { color: var(--blanco); font-weight: 600; }
.legal-header { background: var(--negro-2); border-bottom: 1px solid var(--borde); padding: 20px; text-align: center; }

/* ============================================================
   FOOTER
   ============================================================ */
footer { background: var(--negro-2); border-top: 1px solid var(--borde); padding: 32px 20px; margin-top: auto; text-align: center; }
footer p { font-size: .85rem; color: var(--texto-2); }
footer a { color: var(--texto-2); }
footer a:hover { color: var(--dorado); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 640px) {
  .match-teams { gap: 8px; }
  .team-name { font-size: .9rem; }
  .score-number { font-size: 1.8rem; }
  .pred-inputs { gap: 6px; }
  .ranking-table th:nth-child(4),
  .ranking-table td:nth-child(4) { display: none; }
  .prizes-grid { grid-template-columns: repeat(2, 1fr); }
  .quiz-timer-bar { flex-wrap: wrap; gap: 8px; }
  .quiz-result-grid { grid-template-columns: 1fr 1fr; }
  .products-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   FASES COLAPSABLES (AGREGADO)
   ============================================================ */

.phase-group {
  transition: all 0.25s ease;
  border-radius: var(--radius);
  overflow: hidden;
}

.phase-group:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.35);
}

/* Header clickeable */
.phase-group > div[id^="header-"] {
  user-select: none;
  position: relative;
  transition: background 0.2s ease;
}

.phase-group > div[id^="header-"]:hover {
  background: var(--negro-3);
}

/* Flecha animada */
.phase-group span[id^="arrow-"] {
  transition: transform 0.25s ease;
  display: inline-block;
}

/* Contenido animado */
.phase-group > div[id^="group-"] {
  animation: fadeSlideDown 0.25s ease;
}

/* Animación suave */
@keyframes fadeSlideDown {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}